china now has the longest high- speed train line in the world. it runs 1,400 miles from beijing to the city of guangjo, about the distance from new york to miami. the chinese train can make the trip in eight hours. it would take amtrak 30 hours. in los angeles, people lined up to turn in their guns. find out why when we come back. ♪ aww man. [ male announcer ] returns are easy with free pickup from the u.s. postal service. we'll even drop off boxes if you need them. visit usps.com pay, print, and have it picked up for free. any time of year. ♪ nice sweater. thank you. ♪ thank you. >> axelrod: today, los angeles responded to the newtown tragedy by starting their gun buyback sooner. they needed two sprawling sites including a sports arena. >> they're hunting rifles. >> reporter: angela atkins came to the los angeles gun buy-back with two hunting rifles and thoughts of the children who died in newtown, connecticut. >> it was emotional. i cried. and i just felt like those were everybody's children. >> reporter: so you're getting rid of your onl